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The GeneBLAzer® CRHR2-CRE-bla CHO-K1 cells are functionally validated for Z' and EC50 concentrations of CRF. In addition, GeneBLAzer® CRHR2-CRE-bla CHO-K1 cells have been tested for assay performance under variable conditions. These data are found in the Validation & Assay Performance Summary.

Corticotropin releasing factor is a 41-amino acid peptide that plays a role in the integration of autonomic, neuroendocrine, and behavioral responses to stress. These effects are mediated through two receptor families, CRHR1 and CRHR2. While CRF was originally isolated from the hypothalamus, where it was shown to be the primary neuroregulator mediating the hypothalamic-pituitary-adrenocortical stress axis, it has since been found to be widely distributed outside the hypothalamus throughout the central nervous system. Presently, there are five distinct targets for CRF with unique pharmacology and localization. These have been placed into three distinct classes, two of which are the G-protein-coupled receptors CRF1 (CRHR1) and CRF2 (CRHR2). Three functional splice variants have been identified for the mammalian CRHR2 receptor, although pharmacological characterization of these splice variants revealed no major differences between them.

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